6afb255d97
these changes were generated with nixq 0.0.2, by running nixq ">> lib.mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> Inherit >> mdDoc[remove]" --batchmode nixos/**.nix two mentions of the mdDoc function remain in nixos/, both of which are inside of comments. Since lib.mdDoc is already defined as just id, this commit is a no-op as far as Nix (and the built manual) is concerned.
58 lines
1.4 KiB
Nix
58 lines
1.4 KiB
Nix
{ config, lib, ... }:
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with lib;
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{
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meta = {
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maintainers = [ maintainers.joachifm ];
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};
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options = {
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security.lockKernelModules = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Disable kernel module loading once the system is fully initialised.
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Module loading is disabled until the next reboot. Problems caused
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by delayed module loading can be fixed by adding the module(s) in
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question to {option}`boot.kernelModules`.
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'';
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};
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};
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config = mkIf config.security.lockKernelModules {
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boot.kernelModules = concatMap (x:
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optionals (x.device != null) (
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if x.fsType == "vfat"
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then [ "vfat" "nls-cp437" "nls-iso8859-1" ]
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else [ x.fsType ])
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) config.system.build.fileSystems;
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systemd.services.disable-kernel-module-loading = {
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description = "Disable kernel module loading";
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wants = [ "systemd-udevd.service" ];
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wantedBy = [ config.systemd.defaultUnit ];
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after =
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[ "firewall.service"
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"systemd-modules-load.service"
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config.systemd.defaultUnit
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];
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unitConfig.ConditionPathIsReadWrite = "/proc/sys/kernel";
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serviceConfig =
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{ Type = "oneshot";
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RemainAfterExit = true;
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TimeoutSec = 180;
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};
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script = ''
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${config.systemd.package}/bin/udevadm settle
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echo -n 1 >/proc/sys/kernel/modules_disabled
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'';
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};
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};
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}
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